Look like working now.

ShadowsocksX-NG/ProxyConfHelper.m

@@ -0,0 +1,117 @@
+//
+//  ProxyConfHelper.m
+//  ShadowsocksX-NG
+//
+//  Created by 邱宇舟 on 16/6/10.
+//  Copyright © 2016年 qiuyuzhou. All rights reserved.
+//
+
+#import "ProxyConfHelper.h"
+#import "proxy_conf_helper_version.h"
+
+#define kShadowsocksHelper @"/Library/Application Support/ShadowsocksX-NG/proxy_conf_helper"
+
+@implementation ProxyConfHelper
+
+
++ (BOOL)isVersionOk {
+    NSTask *task;
+    task = [[NSTask alloc] init];
+    [task setLaunchPath:kShadowsocksHelper];
+    
+    NSArray *args;
+    args = [NSArray arrayWithObjects:@"-v", nil];
+    [task setArguments: args];
+    
+    NSPipe *pipe;
+    pipe = [NSPipe pipe];
+    [task setStandardOutput:pipe];
+    
+    NSFileHandle *fd;
+    fd = [pipe fileHandleForReading];
+    
+    [task launch];
+    
+    NSData *data;
+    data = [fd readDataToEndOfFile];
+    
+    NSString *str;
+    str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    
+    if (![str isEqualToString:kProxyConfHelperVersion]) {
+        return NO;
+    }
+    return YES;
+}
+
++ (void)install {
+    NSFileManager *fileManager = [NSFileManager defaultManager];
+    if (![fileManager fileExistsAtPath:kShadowsocksHelper] || ![self isVersionOk]) {
+        NSString *helperPath = [NSString stringWithFormat:@"%@/%@", [[NSBundle mainBundle] resourcePath], @"install_helper.sh"];
+        NSLog(@"run install script: %@", helperPath);
+        NSDictionary *error;
+        NSString *script = [NSString stringWithFormat:@"do shell script \"bash %@\" with administrator privileges", helperPath];
+        NSAppleScript *appleScript = [[NSAppleScript new] initWithSource:script];
+        if ([appleScript executeAndReturnError:&error]) {
+            NSLog(@"installation success");
+        } else {
+            NSLog(@"installation failure");
+        }
+    }
+}
+
++ (void)callHelper:(NSArray*) arguments {
+    NSTask *task;
+    task = [[NSTask alloc] init];
+    [task setLaunchPath:kShadowsocksHelper];
+
+    // this log is very important
+    NSLog(@"run shadowsocks helper: %@", kShadowsocksHelper);
+    [task setArguments:arguments];
+
+    NSPipe *stdoutpipe;
+    stdoutpipe = [NSPipe pipe];
+    [task setStandardOutput:stdoutpipe];
+
+    NSPipe *stderrpipe;
+    stderrpipe = [NSPipe pipe];
+    [task setStandardError:stderrpipe];
+
+    NSFileHandle *file;
+    file = [stdoutpipe fileHandleForReading];
+
+    [task launch];
+
+    NSData *data;
+    data = [file readDataToEndOfFile];
+
+    NSString *string;
+    string = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    if (string.length > 0) {
+        NSLog(@"%@", string);
+    }
+
+    file = [stderrpipe fileHandleForReading];
+    data = [file readDataToEndOfFile];
+    string = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
+    if (string.length > 0) {
+        NSLog(@"%@", string);
+    }
+}
+
++ (void)enablePACProxy {
+    NSString* urlString = [NSString stringWithFormat:@"%@/.ShadowsocksX-NE/gfwlist.js", NSHomeDirectory()];
+    NSURL* url = [NSURL fileURLWithPath:urlString];
+    [self callHelper:@[@"--mode", @"auto", @"--pac-url", [url absoluteString]]];
+}
+
++ (void)enableGlobalProxy {
+    NSUInteger port = [[NSUserDefaults standardUserDefaults]integerForKey:@"LocalSocks5.ListenPort"];
+    [self callHelper:@[@"--mode", @"global", @"--port", [NSString stringWithFormat:@"%lu", (unsigned long)port] ]];
+}
+
++ (void)disableProxy {
+    [self callHelper:@[@"--mode", @"off"]];
+}
+
+@end